Tungsten(VI) oxide
Tungsten(VI) oxide (CAS: 1314-35-8, WO3) is a high-density, yellow to white powder. With a molecular weight of 231.84 g/mol, it finds use as a precursor in the synthesis of tungsten compounds and in materials science applications. Its fine particle size, typically under 100 nm as determined by TEM, makes it suitable for advanced material processing. Tungsten(VI) oxide is a key intermediate in various industrial chemical processes.
- IUPAC
- Tungstic anhydride
- Synonyms
- Tungstic anhydride
Precursor for Tungsten Compounds
Tungsten(VI) oxide serves as a fundamental starting material for the synthesis of other tungsten-based chemicals and materials. It is crucial in producing tungsten metal powders and various tungsten salts used in diverse industrial sectors.
Materials Science
This oxide is employed in the development of advanced materials, including ceramics and composites, owing to its unique physical and chemical properties. It is also investigated for applications in electrochromic devices and catalysts.
Pigments and Coatings
Due to its colour and chemical stability, tungsten(VI) oxide can be used as a pigment in certain specialized coatings. Its properties are also explored for use in protective or functional surface treatments.
| Molecular weight | 231.84 |
|---|---|
| Linear formula | WO3 |
| Form | powder |
| Density | 7.16 g/mL at 25 °C(lit.) |
| Particle size | <100 nm (TEM) |
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tungsten(VI) oxide used for?
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Tungsten(VI) oxide is primarily used as a precursor in the synthesis of tungsten compounds, in materials science for developing advanced ceramics and composites, and potentially in specialized pigments and coatings.
What is the CAS number and formula for Tungsten(VI) oxide?
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The CAS number for Tungsten(VI) oxide is 1314-35-8, and its chemical formula is WO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tungsten(VI) oxide in a powder form, with a particle size of <100 nm (TEM). We do not represent this product as USP, BP, EP, or pharmacopoeia grade; it is supplied for technical and research purposes.
What are the safety and handling considerations for Tungsten(VI) oxide?
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Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used when handling Tungsten(VI) oxide. Refer to the safety data sheet for comprehensive handling information. It is not classified as hazardous according to German WGK classification (WGK Germany: nwg).
How is Tungsten(VI) oxide packed and shipped?
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Tungsten(VI) oxide is carefully packed in appropriate containers to ensure safe transport and prevent contamination. Tech Serve Solutions exports globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Tungsten(VI) oxide?
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To request a sample or a quotation for Tungsten(VI) oxide, please contact our sales department through the website or by phone, providing your specific requirements.
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